I. “+ verb
Etymology: re- + fill
transitive verb
: to fill again : replenish
intransitive verb
: to become filled again
II. ˈrē+ˌ- noun
1. : a commercial product designed to fill again a container with its appropriate contents
refill for a vanity case
a loose-leaf notebook refill
2. medicine : a replacement in a cavity of removed liquid or other material or a substitution (as of gas) for such material
pneumothorax refill
3. : a prescription compounded and dispensed for the second time without an order from the physician
4. : a second serving of food or drink